Science 10-Biology

Light

PROPERTIES OF LIGHTActivity 1 The way of lightOverview:

Students will create an apparatus to test how light travelsMaterials: Light box

Diafragm 1 and 3 hole

A4 Paper

RulerObjectives:

Students will be able to prove one of the properties of light

Draw the material and equpment set up on your table?Give name!

Use the front of source of light, draw the line

Use the back of source of light, draw the line

Is it a straight line? Why?

What properties of light that you found based on the experiment?

Activity 2Light when meet mirrorOverview:

Students will create an apparatus to know what happen when light meet plane mirrorMaterials: Light box

Diafragm 1 and 3 hole

A4 Paper

Ruler

Plane mirrorObjectives:

Students will be able to prove one of the properties of light

Draw the material and equipment set up on your table?Give name!

Draw the result

Table 1.1

NoAngle of incidence (i)Angle of reflection (r)

1

2

3

4

5

What is the relation between angle of incidence (i) and angle of reflection (r) ?

What properties of light that you found based on the experiment?what is the main conclusion?

Activity 3Prism and LightOverview:

Students will create an apparatus to know what happen when light meet planeparalel thingsMaterials: Light box

Diafragm 1 and 3 hole

A4 Paper

Ruler

PlaneparalelObjectives:

Students will be able to prove one of the properties of light

Draw the material and equipment set up on your table?Give name!

Draw the line result of light when meet planparalel (trapezoid)

Table 1.1

No i1r1i2r2

115

220

360

How is the incidence light and the light that came out from prism?

What properties of light that you found based on the experiment?

Activity 4Dispersion of lightOverview:

Students will create an apparatus to know what happen when light meet prismMaterials: Light box

Diafragm 1 and 3 hole

A4 Paper

Ruler

Prism

Screen Objectives:

Students will be able to prove one of the properties of light

Draw the material and equipment set up on your table?Give name!

Draw the result of light when meet prism! What colour that you see?

What phenomenon of daily life that you can see the same phenomenone?

What properties of light that you found based on the experiment?

Activity 5The Colour of LightOverview:

Students will create an apparatus to know about the real colour of lightMaterials: Light box

Plane mirror

A4 Paper

Colour filter

RGB colour filterObjectives:

Students will be able to prove one of the properties of light

Draw the material and equipment set up on your table?Give name!

The result of observation

Table 2.1

The colour of things (RGB Colour) in white light The colour of light in light filter (coloured)

redgreenblue......

red

The colour light depend on what?

What properties of light that you found based on the experiment?Explain the other example...

The Answer

Score

Name ________________________________Student ID_______________________________

Date__________________________________

Sign

2

1

6

4

5

3

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